<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <meta name="description" content="Post processing effects.">
    <meta name="cesium-sandcastle-labels" content="Showcases, Post Processing">
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script type="text/javascript" src="../../../Build/CesiumUnminified/Cesium.js" nomodule></script>
    <script type="module" src="../load-cesium-es6.js"></script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
    @import url(../templates/bucket.css);
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar">
<table><tbody>
    <tr>
        <td>Silhouette</td>
        <td><input type="checkbox" data-bind="checked: silhouette"></td>
    </tr>
    <tr>
        <td>Black and White</td>
        <td><input type="checkbox" data-bind="checked: blackAndWhiteShow"></td>
        <td><input type="range" min="1" max="10" step="1" data-bind="value: blackAndWhiteGradations, valueUpdate: 'input'"></td>
    </tr>
    <tr>
        <td>Brightness</td>
        <td><input type="checkbox" data-bind="checked: brightnessShow"></td>
        <td><input type="range" min="0" max="1" step="0.01" data-bind="value: brightnessValue, valueUpdate: 'input'"></td>
    </tr>
    <tr>
        <td>Night Vision</td>
        <td><input type="checkbox" data-bind="checked: nightVisionShow"></td>
    </tr>
</tbody></table>
</div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
    'use strict';
//Sandcastle_Begin
var viewer = new Cesium.Viewer('cesiumContainer', {
    shouldAnimate : true
});

var position = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706);
var url = '../../SampleData/models/CesiumMan/Cesium_Man.glb';
viewer.trackedEntity = viewer.entities.add({
    name : url,
    position : position,
    model : {
        uri : url
    }
});

var viewModel = {
    blackAndWhiteShow: false,
    blackAndWhiteGradations: 5.0,
    brightnessShow: false,
    brightnessValue: 0.5,
    nightVisionShow: false,
    silhouette : true
};

Cesium.knockout.track(viewModel);
var toolbar = document.getElementById('toolbar');
Cesium.knockout.applyBindings(viewModel, toolbar);
for (var name in viewModel) {
    if (viewModel.hasOwnProperty(name)) {
        Cesium.knockout.getObservable(viewModel, name).subscribe(updatePostProcess);
    }
}

if (!Cesium.PostProcessStageLibrary.isSilhouetteSupported(viewer.scene)) {
    window.alert('This browser does not support the silhouette post process.');
}

var stages = viewer.scene.postProcessStages;
var silhouette = stages.add(Cesium.PostProcessStageLibrary.createSilhouetteStage());
var blackAndWhite = stages.add(Cesium.PostProcessStageLibrary.createBlackAndWhiteStage());
var brightness = stages.add(Cesium.PostProcessStageLibrary.createBrightnessStage());
var nightVision = stages.add(Cesium.PostProcessStageLibrary.createNightVisionStage());

function updatePostProcess() {
    silhouette.enabled = Boolean(viewModel.silhouette);
    silhouette.uniforms.color = Cesium.Color.YELLOW;
    blackAndWhite.enabled = Boolean(viewModel.blackAndWhiteShow);
    blackAndWhite.uniforms.gradations = Number(viewModel.blackAndWhiteGradations);
    brightness.enabled = Boolean(viewModel.brightnessShow);
    brightness.uniforms.brightness = Number(viewModel.brightnessValue);
    nightVision.enabled = Boolean(viewModel.nightVisionShow);
}
updatePostProcess();
//Sandcastle_End
    Sandcastle.finishedLoading();
}
if (typeof Cesium !== 'undefined') {
    window.startupCalled = true;
    startup(Cesium);
}
</script>
</body>
</html>
